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  1. M

    Starter spontaneously starts cranking. Volvo Penta GXi 8.1 L 2008

    You didn’t post a serial number so I can’t tell you if the starter can engage while the engine is running. I would test the dash switch.
  2. M

    Poor Running - Low WOT

    There are many things the can cause a fuel delivery issue. This is why the first step is to test fuel pressure.
  3. M

    Bravo 3 Sea Water Pump - What's this?

    The fitting in the picture is a quick disconnect. MerCruiser added it to make it easier for boat builders to install the engine, but it makes it harder to do anything else. How it works is covered in the service manual and a service bulletin. I recommend you not disconnect it, they are very hard...
  4. M

    Poor Running - Low WOT

    You are not in power reduction mode. If you were one of the lights would be on. I would recheck fuel pressure, hi and low. Both at the 3 times I posted.
  5. M

    Poor Running - Low WOT

    I need answers to the page 15 questions to help.
  6. M

    Poor Running - Low WOT

    Go to, https://www.volvopenta.com/service-and-support/your-engine/manuals-and-handbooks/ and use your engine serial number to download a copy of the operators manual for your engine. Read page 15. do you have an engine status panel installed in your boat? Do the lights light up with the key on...
  7. M

    Drain points on 1984 GM 5.7L engine on 1984 Chapperal stringer

    @GA_Boater Looks like this might belong in the OMC section? Stringers had rubber caps if I remember right.
  8. M

    Driveshaft Gear Rotational Torque

    At MerCruiser school, they teach us to loosen the nut 1/2 turn and hold the bearing race closest to the gear the the gear facing up. Now lightly tap the threaded end of the shaft a few times. This will be enough to loosen the rolling torque enough to start over.
  9. M

    Winterizing a 2020 4.3L duoprop

    Still feel the same way as last year, and for many years before that. https://forums.iboats.com/threads/af-through-flush-port-after-draining.727504/ Every mid to upper quality marine service provider in Minnesota uses antifreeze. Only thing that varies is whether they leave it in the engine or...
  10. M

    Winterizing a 2020 4.3L duoprop

    No, they want you to leave it full. Yes, they recommend conventional antifreeze. When I questioned them on that, I was told that nontoxic isn’t readily available worldwide. And they don’t want anyone to use something that contains alcohol or doesn’t have anti corrosion additives. I was...
  11. M

    Winterizing a 2020 4.3L duoprop

    My recommendation is to go to Volvo Penta's website and down load a copy of the Service Protocol for your engine. Also ask your dealer for a copy of Service Bulletin 05-2-2 titled Storage Marine Engines, this will list Volvo's latest requirement for the use of anti-freeze during Laying up. Did...
  12. M

    2020 Starcraft Marine MDX Surf 231 IO Surf

    I'm surprised by this comment, it goes against my personal experience. We have sold a large number of the Volvo Penta Forward Drives. In fact everyone that we had in stock. And the feedback has been nothing but positive. Especially from people who traded up from a wake boat. They have been...
  13. M

    Tuliped valve causes

    Yes. Part of the problem is with how the boat is used. Bunch of people in the boat and pulling a tube or board while the boat is plowing thru the water. When I look at RPM history, I see a lot of hours between 2-3,000 But the machine shop usually wants to replace more then one valve. They say...
  14. M

    Tuliped valve causes

    Guessing your over propped for how you use the boat. Do you use the boat for water sports?
  15. M

    Winterizing Mercruiser 4.3 question

    I'm not sure when anti-freeze became required. High quality marine service providers have been doing it for decades so I really didn't pay much attention when MerCruiser made it official. My guess is that it was around the time they were designing the single point drain system and realized there...
  16. M

    Torque specs 2009 SX-A prop shaft brg holder

    That’s the spec for checking rolling torque with the old bolts. During final assembly you use new style bolts and torque to 15-20 ft. lbs.
  17. M

    Goodbye to Volvo Penta cone clutch shifting

    Say hello to Volvo Penta silent shift. Cone clutch shifting was good —— the competition had it copied, tested and ready to market the day the patent expired—— but it could have some issues. They could be a bit touchy to the quality of gear lube, untrained techs could have trouble with...
  18. M

    The newest Mercury outboard service bulletin

    Unauthorized Modifications to the Engine Control Module (ECM) Models Affected All Mercury Engines, All Years Bulletin No. 2019-08 Looks like they are cracking down.
  19. M

    The newest MerCruiser service bulletin

    Unauthorized Modifications to the Engine Control Module (ECM) Models Affected All Mercury Engines, All Years Bulletin No. 2019-09 Well it's not really the newest, That's a FSM recall. But it does look like they are going to crack down.
  20. M

    How to winterize your motor without draining the water.

    How to winterize your motor without draining the water. How’s that for clickbait? I’ve spent over 30 years as a marine mechanic in Minnesota, so after winterizing over 3000 engines (without breaking any) I do have some thoughts on putting a boat to bed for the winter. What I don’t have is the...
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